214 



SEE— FURTHER RESEARCHES ON 



[April 24, 



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Fig. 8. Relief Map of Europe. (From Fryc's Complete Geography, by 

 permission of Ginn and Co., Publishers.) The reader should notice how the 

 principal mountain chains face the Mediterranean and the Atlantic. There is 

 a trough in the sea bottom off the Scandinavian coast to which Professor 

 Schiaparclli has called attention. 



